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/*
* Copyright 2008, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_INPUT_TOUCH_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_INPUT_TOUCH_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/events/event_target.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/geometry/physical_offset.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/size_f.h"
namespace blink {
class LocalFrame;
class TouchInit;
class CORE_EXPORT Touch final : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
static Touch* Create(LocalFrame* frame,
EventTarget* target,
int identifier,
const gfx::PointF& screen_pos,
const gfx::PointF& page_pos,
const gfx::SizeF& radius,
float rotation_angle,
float force) {
return MakeGarbageCollected<Touch>(frame, target, identifier, screen_pos,
page_pos, radius, rotation_angle, force);
}
static Touch* Create(const Document& document, const TouchInit* initializer) {
return MakeGarbageCollected<Touch>(document.GetFrame(), initializer);
}
Touch(LocalFrame*,
EventTarget*,
int identifier,
const gfx::PointF& screen_pos,
const gfx::PointF& page_pos,
const gfx::SizeF& radius,
float rotation_angle,
float force);
Touch(EventTarget*,
int identifier,
const gfx::PointF& client_pos,
const gfx::PointF& screen_pos,
const gfx::PointF& page_pos,
const gfx::SizeF& radius,
float rotation_angle,
float force,
PhysicalOffset absolute_location);
Touch(LocalFrame*, const TouchInit*);
// DOM Touch implementation
EventTarget* target() const { return target_.Get(); }
int identifier() const { return identifier_; }
double clientX() const { return client_pos_.x(); }
double clientY() const { return client_pos_.y(); }
double screenX() const { return screen_pos_.x(); }
double screenY() const { return screen_pos_.y(); }
double pageX() const { return page_pos_.x(); }
double pageY() const { return page_pos_.y(); }
float radiusX() const { return radius_.width(); }
float radiusY() const { return radius_.height(); }
float rotationAngle() const { return rotation_angle_; }
float force() const { return force_; }
// Blink-internal methods
const PhysicalOffset& AbsoluteLocation() const { return absolute_location_; }
const gfx::PointF& ScreenLocation() const { return screen_pos_; }
Touch* CloneWithNewTarget(EventTarget*) const;
void Trace(Visitor*) const override;
private:
Member<EventTarget> target_;
int identifier_;
// Position relative to the viewport in CSS px.
gfx::PointF client_pos_;
// Position relative to the screen in DIPs.
gfx::PointF screen_pos_;
// Position relative to the page in CSS px.
gfx::PointF page_pos_;
// Radius in CSS px.
gfx::SizeF radius_;
float rotation_angle_;
float force_;
// FIXME(rbyers): Shouldn't we be able to migrate callers to relying on
// screenPos, pagePos or clientPos? absoluteLocation appears to be the same as
// pagePos but without browser scale applied.
PhysicalOffset absolute_location_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_INPUT_TOUCH_H_
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